David Walter, D.O.
Child & Adolescent Psychiatry Physician · Portland, ME
David Walter, D.O. is a child & adolescent psychiatry physician with a practice address in Portland, Maine, and NPI 1487868394, issued on May 9, 2007. Check the license (Maine DO1537, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- David Walter
- Credential
- D.O.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License numbers
- DO1537 ME
1537 ME
Self-reported in NPPES; status is on the state search - Practice location
- 25 Middle Street, Portland, ME 04101
- Phone
- (207) 321-8300
- Enumerated
- May 9, 2007
- Record last updated
- Oct 8, 2025
- Medicaid ID
- 310050099 ME
- Medicare enrollment
- Enrolled (PECOS I20080729000083); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 58 in Maine → Look up another NPI →
Also registered at 25 Middle Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lucie Scholz, LCSWClinical Social Worker1134431976
- Laura Werner, LMTMassage Therapist1750529319
- Elizabeth Wheeler, PHDClinical Psychologist1033261102
Verify David Walter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO1537Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Acadia Hospital Corp.Bangor, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Walter among 58 child & adolescent psychiatry physician records in Maine
David Walter, D.O. is one of 58 child & adolescent psychiatry physician records with a practice address in Maine. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 52% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1993 · median 2009 among the 26 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Maine
There are 58 child & adolescent psychiatry physician records in Maine.
All 58 in Maine → Every provider in Portland → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Sumayya AyazPortland, ME 041011316398647
- Saffron Homayoun Mirza, MDPortland, ME 041011801469705
- Dylan McKenney, MDPortland, ME 041011922233071
- Katherin Rockefeller, M.D.Portland, ME 041011639463896
- David Schenk, MDPortland, ME 041011881701670
- Robert Toscano, D.O.Portland, ME 041011043630296
- Peri AkchurinPortland, ME 041021508359910
- Erin Belfort, MDPortland, ME 041021700964749
Common questions
What is David Walter, D.O.'s NPI number?
David Walter, D.O.'s National Provider Identifier (NPI) is 1487868394, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Walter, D.O. located?
The NPPES record lists a practice address at 25 Middle Street, Portland, ME, 04101. Phone: (207) 321-8300. Providers update this record themselves, so call before visiting.
How can I verify David Walter, D.O.'s license?
NPPES lists Maine license number DO1537, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.